Tides Today & Tomorrow in Newburyport (Merrimack River), MA

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Newburyport (Merrimack River), MA.
Next low tide (tomorrow) : 2:28 am (0.3 ft)
Next high tide : in 3h 20m at 7:41 pm (8.9 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 5:14 am
Moon phase : Waning Crescent (30% illuminated)
Tide Station Location : Station #8440466
Common Questions About Tides

Newburyport (Merrimack River), MA Tides - Apr 1994

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri2:569.93:308.59:35-1.09:52-0.15:256:09Third Quarter1Fri
2Sat3:529.54:288.210:33-0.610:520.25:236:10Third Quarter2Sat
3Sun5:519.16:287.912:34-0.26:217:11Third Quarter3Sun
4Mon6:528.67:307.712:540.41:350.06:207:12Third Quarter4Mon
5Tue7:558.38:327.71:570.52:340.26:187:13Waning Crescent5Tue
6Wed8:578.19:307.82:570.53:300.36:167:15Waning Crescent6Wed
7Thu9:548.010:217.93:540.54:210.36:157:16Waning Crescent7Thu
8Fri10:448.011:068.14:450.35:080.46:137:17Waning Crescent8Fri
9Sat11:297.911:468.25:320.25:510.56:117:18New Moon9Sat
10Sun12:097.96:160.26:320.56:097:19New Moon10Sun
11Mon12:238.412:477.96:570.17:110.66:087:20New Moon11Mon
12Tue1:008.51:257.97:370.17:490.76:067:21New Moon12Tue
13Wed1:378.52:047.88:160.18:270.86:047:23Waxing Crescent13Wed
14Thu2:168.62:457.78:570.29:061.06:037:24Waxing Crescent14Thu
15Fri2:578.53:287.69:380.39:481.16:017:25Waxing Crescent15Fri
16Sat3:428.54:147.510:230.510:331.36:007:26Waxing Crescent16Sat
17Sun4:298.45:037.411:120.611:241.45:587:27First Quarter17Sun
18Mon5:208.35:557.412:040.75:567:28First Quarter18Mon
19Tue6:148.26:497.512:201.412:590.75:557:29First Quarter19Tue
20Wed7:108.27:457.81:191.21:550.65:537:31First Quarter20Wed
21Thu8:098.38:418.22:180.92:480.45:527:32Waxing Gibbous21Thu
22Fri9:078.49:368.73:150.53:410.25:507:33Waxing Gibbous22Fri
23Sat10:038.610:289.34:10-0.14:310.05:497:34Waxing Gibbous23Sat
24Sun10:588.811:199.85:03-0.65:21-0.35:477:35Full Moon24Sun
25Mon11:509.05:55-1.06:11-0.55:467:36Full Moon25Mon
26Tue12:0910.212:419.16:47-1.47:01-0.55:447:37Full Moon26Tue
27Wed12:5910.41:329.17:38-1.57:51-0.55:437:39Waning Gibbous27Wed
28Thu1:4910.42:249.08:29-1.58:43-0.45:417:40Waning Gibbous28Thu
29Fri2:4110.23:178.89:21-1.39:36-0.25:407:41Waning Gibbous29Fri
30Sat3:359.94:118.510:15-0.910:320.15:387:42Waning Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8440466)

Common Questions About Newburyport (Merrimack River), MA Tides

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What time does the tide turn (slack tide) in Newburyport (Merrimack River), MA today?

Slack tide in Newburyport (Merrimack River), MA is approximately 11:04 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Newburyport (Merrimack River), MA?

Newburyport (Merrimack River), MA is currently in a transitional phase. Tonight's moon is 30% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are shifting between spring and neap.

What datum are Newburyport (Merrimack River), MA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Newburyport (Merrimack River), MA?

Tide predictions for Newburyport (Merrimack River), MA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Newburyport (Merrimack River), MA?

Tide data for Newburyport (Merrimack River), MA is sourced from NOAA Station #8440466. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8440466.

What is the moon phase in Newburyport (Merrimack River), MA tonight?

Tonight the moon over Newburyport (Merrimack River), MA is Waning Crescent (30% illuminated). This places Newburyport (Merrimack River), MA in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA